Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index -1.14
Milk (kg) 91.00 -0.014 -1.27
Fat (kg) 0.23 -0.375 -0.09
Prot (kg) -0.50 -0.441 0.22
Fertility Sub Index -1.63
Calving Interval (days) 0.41 -1.459 -0.60
Survival (%) -0.92 1.117 -1.03
Calving Sub Index 1.76
Gestation Length (days) -1.91 -0.919 1.76
Beef Sub Index -1.96
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 5.27 -0.432 -2.28
Maintenance Sub Index Maint. Sub Index 2.42
Live WT (kg) -7.90 -0.307 2.42
Total Carbon Sub Index -0.55

* Based on an €80/tonne carbon price